Figure 4. Ich6R Interrupt Routing Diagram - Intel SE7221BK1LX Technical Manual

Timer
Keyboard
Cascade
Serial Port2/ISA
Serial Port1/ISA
ISA
Floppy/ISA
ISA
RTC
SCI/ISA
ISA
ISA
Mouse/ISA
Coprocessor Error
P IDE/ISA
Not Used
22
Super I/O
N/A
N/A
INTEL 82541PI(NIC1)
N/A
Slot 1 INTC
Slot 1 INTA
Slot 1 INTB
Slot 1 INTD

Figure 4. ICH6R Interrupt Routing Diagram

SE7221BK1-E Technical Product Specification
SERIRQ
SERIRQ
PIRQA#
PIRQB#
PIRQC#
PIRQD#
PIRQE#
PIRQF#
PIRQG#
PIRQH#